grade 9 maths percentage prob

if steven earns $85000 annual salary plus bonus payments which ads up to $90701.81 for over a year. how do i calculate the percentage amount that steven has earned in excess of his his base salary? help.

if steven earns $85000 annual salary plus bonus payments which ads up to $90701.81 for over a year. how do i calcule the percentage amount that steven has earned in excess of his his base salary? help.

I strongly disagree with your screen name. (I doubt that you mean this in a 1920's sort of way)